linux-kernel - Re: [PATCH v4 1/2] arm64: dts: qcom: qcs8300: add the first 2.5G ethernet

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Message-ID: <355ff08c-d0a8-49e7-8afc-2e4adddf2c9e@lunn.ch>
Date: Sat, 23 Nov 2024 20:36:58 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Yijie Yang <quic_yijiyang@...cinc.com>
Cc: Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konradybcio@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Richard Cochran <richardcochran@...il.com>,
	linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v4 1/2] arm64: dts: qcom: qcs8300: add the first 2.5G
 ethernet

> +		ethernet0: ethernet@...40000 {
> +			compatible = "qcom,qcs8300-ethqos", "qcom,sa8775p-ethqos";
> +			reg = <0x0 0x23040000 0x0 0x10000>,
> +			      <0x0 0x23056000 0x0 0x100>;
> +			reg-names = "stmmaceth", "rgmii";

Dumb question which should not stop this getting merged.

Since this is now a MAC using a SERDES, do you still need the rmgii
registers? Can the silicon actually do RGMII?

	Andrew